. >> all right. certainly a lot of fire behind this debate. maria core dona, amy holmes, thank you very much. nice to see you both. >> thank you. >> happy holidays. >> same to you, as well. see you next year. >> absolutely. >> all right. thank you. >> all right. >>> a young author raising money to help other kids who are just like him. how a rare genetic disease inspired this little boy to give back. >>> i want to share a story now about a young author with a rare genetic disease. he's raising money to help other kids who are just like him. here's dr. sanjay gupta with today's "human factor." >> reporter: 9-year-old evan moss is a boy who seemingly only cares about one simple thing. >> all of these, all filled with pokemon cards. >> reporter: unfortunately, his life isn't so simple. >> when evan was just a couple weeks old, he started having these little shaky movements. it was one arm that would just twitch a little bit. and it would last a few seconds. >> reporter: robert and lisa took their son to dozens of doctors' appointments. evan was e